🧩 词语组成解析
feed
[fid]
vt. 喂养;满足（欲望等）;向…提供;供…作食物;
vi. 吃，以…为食;流入，注入，进入（如油流入机器）;[电子学]馈入;
n. 饲料（尤指粗饲料），施肥;喂送;草料;（尤指向地方性电视台）馈送电视节目;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
I know the boy whose father is a guide.
我知道那个男孩的父亲是导游。
'Oh, that,' he said with a smile as if he were talking about an old friend.
“噢，是它呀！他笑着说道，俨然在谈论一位老朋友。